Canon B550 - Manual (Page 120)

Print Quality Problems
If the printout is unsatisfactory, consider the following suggestions:
I Most paper has a right side and a wrong side. If the print quality is poor, try
turning the paper over and printing on the other side.
I If characters and images are blurred, check that you are using the correct
kind of paper, see pg.6.
I If ink gets on the printer's platen, the reverse side of the printed page will
have smudges. In this case, clean the platen area with a soft dry cloth, see
pg.lOI.
I If white streaks or missing dots appear on printed pages, perform the print
head cleaning operation. See pg.l02.
I If the quality is not crisp and clear after cleaning the print head, repeat the
head cleaning procedure again. If output still is not satisfactory after clean­
ing the print head five consecutive times, replace the BJ cartridge. See
pg. 103.
I If the following print quality problems occur in the entire printing area,
check for the most probable cause and remedy as listed below.
Print Results Most Probable Cause Remedy
Smudged Paper' type Try a different type. See pg.6.
Blurred Paper type Try a different type. See pg.6.
Faded Print head is clogged
or out of ink.
Perform head cleaning
or replace the BJ cartridge.
See pg. 102, 103. "
White Streaks Print head is clogged. Perform head cleaning or
reinstalling the BJ cartridge.
See pg.lO. I02. "
Dots Missing Print head is clogged. Perform head cleaning.
See pg. I02.
Irregular Dots Print head is clogged. Perform head cleaning.
See pg. 102.
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